Species · BCR 17 · BBS 2025 Release · 1966–2024
Greater Sage-Grouse In Badlands and Prairies
Greater Sage-Grouse in Badlands and Prairies has increased: up 34% on the route-weighted index since 1970.
+34%Since 1970
45Routes In Region
52Years
Notable Signals
No notable trend signals for Greater Sage-Grouse in Badlands and Prairies. See the full index history below.
Forecast
If the recent trend holds, Greater Sage-Grouse in Badlands and Prairies is projected to fall about 49% by 2029 — from 0.21 in 2024 to a central estimate of 0.11 (95% range 0.00–0.89). A 5-year backtest shows a typical error of ±172.9%, with 100% of held-out values landing inside the 95% band.
-49%Change by 2029
0.11Projected 2029 index
0.00–0.8995% range
±172.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.14 | 0.00 | 0.92 |
| 2026 | 0.13 | 0.00 | 0.91 |
| 2027 | 0.13 | 0.00 | 0.90 |
| 2028 | 0.12 | 0.00 | 0.89 |
| 2029 | 0.11 | 0.00 | 0.89 |
Routes In Badlands and Prairies
| Gorham | NORTH-DAKOTA | 18 | 1997 |
| Mayoworth | WYOMING | 14 | 2006 |
| Roy | MONTANA | 12 | 2021 |
| Arvada | WYOMING | 8 | 2000 |
| Glenrock | WYOMING | 7 | 1974 |
| Ingomar | MONTANA | 6 | 2024 |
| Welch | WYOMING | 6 | 1994 |
| Rozet | WYOMING | 6 | 2017 |
| Sussex | WYOMING | 5 | 2016 |
| Raven | WYOMING | 5 | 2024 |
| Jordan | MONTANA | 4 | 2017 |
| Circle | MONTANA | 4 | 1977 |
| Shawmut | MONTANA | 4 | 1988 |
| Schoonover | WYOMING | 4 | 2016 |
| Thunder Basin | WYOMING | 4 | 2018 |
| Powderville | MONTANA | 3 | 2024 |
| Jordan South | MONTANA | 3 | 2021 |
| Clarkelen | WYOMING | 3 | 1977 |
| Natrona | WYOMING | 3 | 1988 |
| Bill | WYOMING | 3 | 1999 |
| Teapot Dome | WYOMING | 3 | 1989 |
| St Xavier | MONTANA | 2 | 1988 |
| Harding | SOUTH-DAKOTA | 2 | 2012 |
| Wyarno | WYOMING | 2 | 2008 |
| Recluse | WYOMING | 2 | 2016 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.